Now, her partner Leigh Matthew Frederick Beer is on trial for her alleged murder and arson. Now, her partner Leigh Matthew Frederick Beer is on trial for her alleged murder and arson. The Crown has alleged Beer overturned the bed she was asleep on, set fire to it, and “left her to burn to death”. Clarke alleged Beer went back inside the flat and into the bedroom where Field was asleep. Beer allegedly flipped the bed and mattress and Field ended up between a wall and a bedside table, face up, under the bedroom’s window.